613-000818 Rev. BAT-8500 SeriesLayer 2+ FastEthernet SwitchesAT-8516F/SCAT-8524MAT-8524POEAT-8550GBAT-8550SPInstallation Guide

Tables10

11PrefaceThis guide provides the hardware installation instructions for you managed, Layer 2+ AT-8500 Series Fast Ethernet switch. This preface contai

Preface12Safety Symbols Used in this DocumentThis document uses the safety symbols defined in Table 1.Table 1. Safety SymbolsSymbol Meaning Descriptio

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide13Where to Find Web-based GuidesThe installation and user guides for all Allied Teles

Preface14Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate inform

15Chapter 1OverviewThe AT-8500 Series switches are managed, Layer 2+ Fast Ethernet switches. These switches are designed to simplify the task of creat

Chapter 1: Overview16Model ConfigurationsTable 2 lists the basic model configurations.Table 2. Model ConfigurationsModel ConfigurationAT-8516F/SC 16

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide17Model DescriptionsAT-8516F/SC The AT-8516F/SC switch has 16 100Base-FX fiber optic

Chapter 1: Overview18AT-8524M The AT-8524M switch has 24 10/100Base-TX twisted pair ports and two module expansion slots. The twisted pair ports featu

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide19AT-8524POE The AT-8524POE switch has 24 10/100Base-TX ports with Power over Etherne

Copyright © 2008 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied

Chapter 1: Overview20AT-8550GB The AT-8550GB switch has 48 10/100Base-TX twisted pair ports, capable of operating at either 10 or 100 Mbps, with RJ-45

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide21AT-8550SP The AT-8550SP switch has 48 10/100Base-TX twisted pair ports with RJ-45 c

Chapter 1: Overview22Port DescriptionsThis section provides information on the following port types found on the AT-8500 Series switches: “10/100Base

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide23NoteIn order for a switch port to successfully Auto-Negotiate its duplex mode with

Chapter 1: Overview2410/100/1000Base-TTwisted PairPortsThis section applies to Port 49R and Port 50R on the AT-8550GB and AT-8550SP switches.Type of C

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide25For 10 Mbps, the port requires Category 3 or better 100 ohm shielded or unshielded

Chapter 1: Overview26Type of CableThe fiber optic ports can use either 50/125 or 62.5/125 micron multimode fiber optic cable.NoteDo not use single-mod

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide27Power Over EthernetThe following discussion applies only to the AT-8524POE switch.

Chapter 1: Overview28described in Table 3. .A port connected to a network node that is not a powered device (that is, a device that receives its power

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide29GBIC and SFP SlotsThe AT-8550GB switch has two GBIC slots, and AT-8550SP switch has

3Electrical Safety and Emissions StandardsThis product meets the following standards.RFI Emissions FCC Class A, EN55022 Class A, EN61000-3-2, EN61000-

Chapter 1: Overview30Module Expansion SlotsThe AT-8516F/SC, AT-8524M, and AT-8524POE switches have two expansion slots. Each slot can accommodate an e

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide31LEDsThis section provides information on the LEDs found on the AT-8500 Series switc

Chapter 1: Overview32Table 5 describes the LEDs for the 10/100/1000Base-TX twisted pair ports, Ports 49R and 50R, on the AT-8550GB and AT-8550SP switc

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide33Table 6 describes the LEDs for the 10/100Base-TX twisted pair ports on the AT-8524P

Chapter 1: Overview34Fiber Optic PortLEDsThis section applies to the AT-8516F/SC switch. The fiber optic ports on an AT-8516F/SC switch have two LEDs,

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide35are defined in Table 7.NoteThe AT-8516F/SC switch does not have an LED Mode Select

Chapter 1: Overview36System LEDs The system LEDs on the front panel display general status information, as described in Table 9.Mode - SPD Solid Green

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide37RS-232 Terminal PortYou can use the RS-232 terminal port to establish a local (out-

Chapter 1: Overview38Power Options and ConnectorsThis section provides information about the power options and features on the AT-8500 Series switches

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide39AC PowerConnectorThe switch has a single AC power supply socket on the back panel,

4Translated Safety StatementsImportant: The  indicates that a translation of the safety statement is available in a PDF document titled “Translated S

Chapter 1: Overview40A Few Basics about Ethernet SwitchingAn Ethernet switch interconnects network devices, such as workstations, printers, routers, a

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide41transmits data. If an end node can receive or transmit data, but not both simultane

Chapter 1: Overview42How a switch signals an end node to stop transmitting data differs depending on the speed and duplex mode of the end node and swi

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide43Network TopologiesThis section illustrates several of the network topologies you ca

Chapter 1: Overview44Figure 10. Collapsed Backbone TopologyMixed Topology You can always combine topologies as well as build a larger network by conne

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide45Figure 11 illustrates a network of three AT-8524M Fast Ethernet switches. The works

Chapter 1: Overview46

47Chapter 2InstallationThis chapter provides the installation procedures for the switch and contains the following sections: “Reviewing Safety Precau

Chapter 2: Installation48Reviewing Safety PrecautionsPlease review the following safety precautions before you begin to install the chassis or any of

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide49Warning: As a safety precaution, install a circuit breaker with a minimum value of

5ContentsPreface ...

Chapter 2: Installation50Warning: This unit might have more than one power source. To reduce the risk of electric shock, disconnect all power sources

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide51Selecting a Site for the SwitchObserve the following requirements when choosing a s

Chapter 2: Installation52Planning the InstallationTable 10 contains the cabling specifications for the twisted pair ports. NoteThe twisted pair ports

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide53Table 11 contains the cabling specifications for the fiber optic ports on an AT-851

Chapter 2: Installation54Unpacking the SwitchTo unpack the switch, perform the following procedure:1. Remove all components from the shipping package.

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide55Installing the Switch in a RackThe switch is shipped with two brackets for mounting

Chapter 2: Installation562. Using a flat-head screwdriver, remove the snap-on plastic feet from the bottom of the switch, as shown in Figure 13.Figure

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide57Caution: Air vents must not be blocked and must have free access to the room ambien

Chapter 2: Installation58Installing an Optional Expansion or Stacking ModuleThis section describes how to install an optional expansion or stacking mo

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide594. Pull the faceplate straight out of the slot. 5. Keep the faceplate in a safe are

Contents6Selecting a Site for the Switch ...

Chapter 2: Installation60Installing an Optional GBICTo install an optional GBIC in an AT-8550GB switch, perform the following procedure:NoteA GBIC can

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide61ferrules of the optical connector.Figure 17. Optical Bore and Ferrule of GBIC Modul

Chapter 2: Installation62Installing an Optional SFP TransceiverTo install an optional SFP transceiver in an AT-8550SP switch, perform the following pr

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide63debris picked up on the ferrules of the optical connectors. Use an alcohol swab or

Chapter 2: Installation64Cabling the SwitchTo connect the data cables to the switch ports and to apply power to the switch, perform the following proc

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide65instructions on how to configure a port trunk, refer to the AT-S62 Management Softw

Chapter 2: Installation662. Attach the fiber optic data cables to the fiber optic ports, as shown in Figure 21.Figure 21. Attaching a Fiber Optic Cabl

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide67remote end node. For example, you cannot connect a fiber optic port with a maximum

Chapter 2: Installation68Powering on an AC Powered SwitchTo power on an AC powered switch, perform the following procedure:NoteIf you are installing a

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide694. If you installed an optional redundant power supply unit, connect one end of the

7FiguresFigure 1. AT-8516F/SC Switch Front and Back Panels 9Figure 2. AT-8524M Switch Front and Back Panels 10Figure 3. AT-8524POE Switch Front and

Chapter 2: Installation70Wiring and Powering on an DC Powered UnitTo provide power for a DC powered switch, perform the following steps:1. Before you

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide71WarningDo not strip more than the recommended amount of wire. (See Figure 26.) Stri

Chapter 2: Installation727. Secure the tray supply cable near the rack framework using multiple cable ties to minimize the chance of the connections b

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide73Starting a Local Management SessionThe procedure in this section explains how to st

Chapter 2: Installation74 Parity: None Stop bits: 1 Flow control: NoneNoteThe port settings are for a DEC VT100 or ANSI terminal, or an equivalent

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide75Warranty RegistrationWhen you have finished installing the switch, fill out the enc

Chapter 2: Installation76

77Chapter 3TroubleshootingThis chapter contains information on how to troubleshoot the switch in the event that a problem occurs.If after following th

Chapter 3: Troubleshooting78 Verify that you are using the appropriate category of twisted pair cable: Category 3 or better for 10 Mbps operation and

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide79example, you cannot connect a fiber optic port with a maximum distance of 40 kilome

Figures8Figure 1. AT-8516F/SC Switch Front and Back Panels...

Chapter 3: Troubleshooting80Check the FAULT LED. During normal operations, the LED remains off, except for periods when the management software is sav

81Appendix ATechnical SpecificationsPhysical SpecificationsAT-8516F/SC and AT-8524M 4.4 cm x 44.0 cm x 22.2 cmDimensions (1.75 in. x 17.3 in. x 8.75

Appendix A: Technical Specifications82Power SpecificationsInput Voltage:All models except for the AT-8524POE:AC 100-240 VAC, 2A Max, 50/60 HzDC 36-60

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide83RJ-45 Twisted Pair Port PinoutsFigure 29 illustrates the pin layout for an RJ-45 co

Appendix A: Technical Specifications84Table 14 lists the RJ-45 pin signals for the two 10/100/1000-Base-T ports on the AT-8550GB switch when the ports

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide85AT-8516F/SC Fiber Optic Port SpecificationsStandard: 100Base-FXSpeed: 100 MbpsMaxim

Appendix A: Technical Specifications86RS-232 Terminal Port PinoutsTable 15 lists the pin signals on the RS-232 terminal port.Table 15. RS-232 Termin

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide87RPS Connector Port PinoutsFigure 30 illustrates the pin layout to the 16-pin molex

Appendix A: Technical Specifications88Figure 31 illustrates the pin layout to the RPS connector on the AT-8524POE switch.Figure 31. AT-8524POE RPS Co

AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide8913 3.3V RS+14 3.3V15 3.3VTable 17. Pin Definitions for the RPS Connector on the A

9Table 1. Safety Symbols .........

Appendix A: Technical Specifications90Dual SC Type ConnectorA dual SC type connector, as shown in Figure 32, is used with the AT-8516F/SC switch.Figur